# Metabolism Booster vs Stealth Training System

The clearest difference is in-app purchases: Stealth Training System at none against Metabolism Booster's 3. Stealth Training System also leads on update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Metabolism Booster sells 3 in-app purchases, starting at $11.49 per month. Stealth Training System asks for nothing beyond the download.

Metabolism Booster ships an update every 2 months, Stealth Training System fortnightly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Metabolism Booster | Stealth Training System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/metabolism-boosterdiet-guide/id1609064031/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 4 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Riafy Technologies Pvt. Ltd.](https://appshunter.io/developer/918478397) | [Michael Walters](https://appshunter.io/developer/6785952333) |

## What reviewers say

### Metabolism Booster

[App page](https://appshunter.io/ios/app/metabolism-boosterdiet-guide/id1609064031)

Boost your metabolism and achieve health goals with personalized meal plans and energizing recipes. This guide offers science-backed strategies for increased energy, weight management, and healthier eating habits.

**Highlights:** Custom meal plans, Energy-boosting recipes, Weekly meal schedules, Nutrient-optimized ingredients, Portion control guidance, Shopping list generator, Progress tracking

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metabolism Monthly | $11.49 | per month |
| metabolism half yearly | $39.99 | per 6 months |
| Metabolism Discounted | $39.99 | per 6 months |


### Stealth Training System

[App page](https://appshunter.io/ios/app/stealth-training-system/id6785952331)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Metabolism Booster free?

Metabolism Booster is free to download, with in-app purchases available.

### Is Stealth Training System free?

Stealth Training System is free to download, with no in-app purchases.

### Do Metabolism Booster or Stealth Training System have ads?

Neither Metabolism Booster nor Stealth Training System shows ads.

### Which is updated more often, Metabolism Booster or Stealth Training System?

Metabolism Booster ships an update every 2 months, and Stealth Training System fortnightly. Most recently, Metabolism Booster was updated on November 3, 2026 and Stealth Training System on November 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*